Tracking of rigid head motion during MRI using an EEG system

M Laustsen, M Andersen, R Xue… - Magnetic …, 2022 - Wiley Online Library
Purpose To demonstrate a novel method for tracking of head movements during MRI using
electroencephalography (EEG) hardware for recording signals induced by native imaging …

Retrospective correction of head motion using measurements from an electromagnetic tracker

O Afacan, TE Wallace… - Magnetic resonance in …, 2020 - Wiley Online Library
Purpose To investigate the feasibility of using an electromagnetic (EM) tracker to estimate
rigid body head motion parameters, and using these measurements to retrospectively …

Feasibility of tracking involuntary head movement for MRI using a coil as a magnetic dipole in a time-varying gradient

EH Bhuiyan, MEH Chowdhury, PM Glover - Magnetic Resonance Imaging, 2023 - Elsevier
Accurate tracking involuntary head movements is fairly a challenging problem in MR
imaging of the brain. Though there are few techniques available to monitor the head …

Slice-wise motion tracking during simultaneous EEG-fMRI

M Laustsen, M Andersen, PM Lehmann, R Xue… - Joint Annual Meeting …, 2018 - orbit.dtu.dk
Slice-wise motion tracking during combined electroencephalography (EEG) and echo
planar imaging (EPI) is developed. Using gradient-induced noise on the EEG for tracking, no …

[PDF][PDF] Gradient distortions in EEG provide motion tracking during simultaneous EEG-fMRI

M Laustsen, M Andersen, KH Madsen… - ISMRM Workshop on …, 2017 - orbit.dtu.dk
Purpose: Motion correction of fMRI using regressors derived from low-frequency
components of EEG, was previously described [1]. We demonstrate that distortions in EEG …

[PDF][PDF] Head Motion Tracking using an EEG-system and Retrospective Correction of High-Resolution T1-weighted MRI

M Laustsen, M Andersen, R Xue, KH Madsen… - 2021 ISMRM & SMRT …, 2021 - orbit.dtu.dk
Tracking and retrospective correction of high-resolution structural 3D-GRE images is
accomplished with a slightly modiêed EEG cap and sampling system. Carbon wire loops …

A Novel Position and Orientation Sensor for MRI

JA Smith, GS Spencer, RW Bowtell… - Proc. Intl. Soc. Mag …, 2017 - archive.ismrm.org
The effect of head motion is a significant problem for MRI. Here we present the early stages
in the development of a novel device which is able to measure head pose within the …